Nice list, A few nitpicks :<p><pre><code> + *Coffeine* Gaaaah. An IT guy misspelling Caffeine.
+ *twits* This one is actualy funny. A "twit" is a moron. A "tweet" is a twitter message.
The "No twits" thing definitely helps concentration, but did you mean "tweet" ?
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I would also add a part about cutting out hardware/tool-related frustration. Nothing kicks me out of the flow like the system freezing, having to hunt for free disk space on the test server, etc.